Home / 28,491.44-42,743.40-10,969.52

Finding the Fourth Proportional to 28,491.44, 42,743.40 and 10,969.52

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Solution

The fourth proportional to 28,491.44, 42,743.40 and 10,969.52 is: 16,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.44 : 42,743.40 = 10,969.52 : x
  2. Step 2: Convert to fraction form
    28,491.44/42,743.40 = 10,969.52/x
  3. Step 3: Cross multiply
    28,491.44x = 42,743.40 × 10,969.52
  4. Step 4: Simplify right side
    28,491.44x = 468,874,581.17
  5. Step 5: Solve for x
    x = 468,874,581.17/28,491.44
  6. Step 6: Final answer
    x = 16,456.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.